Size, distribution, and vulnerability of the global soil inorganic carbon
Global estimates of the size, distribution, and vulnerability of soil inorganic carbon (SIC) remain largely unquantified. By compiling 223,593 field-based measurements and developing machine-learning models, we report that global soils store 2305 ± 636 (±1 SD) billion tonnes of carbon as SIC over the top 2-meter depth. Under future scenarios, soil acidification associated with nitrogen additions to terrestrial ecosystems will reduce global SIC (0.3 meters) up to 23 billion tonnes of carbon over the next 30 years, with India and China being the most affected. Our synthesis of present-day land-water carbon inventories and inland-water carbonate chemistry reveals that at least 1.13 ± 0.33 billion tonnes of inorganic carbon is lost to inland-waters through soils annually, resulting in large but overlooked impacts on atmospheric and hydrospheric carbon dynamics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:384 |
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| Enthalten in: |
Science (New York, N.Y.) - 384(2024), 6692 vom: 12. Apr., Seite 233-239 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Huang, Yuanyuan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 11.04.2024 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1126/science.adi7918 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM370928075 |
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| 520 | |a Global estimates of the size, distribution, and vulnerability of soil inorganic carbon (SIC) remain largely unquantified. By compiling 223,593 field-based measurements and developing machine-learning models, we report that global soils store 2305 ± 636 (±1 SD) billion tonnes of carbon as SIC over the top 2-meter depth. Under future scenarios, soil acidification associated with nitrogen additions to terrestrial ecosystems will reduce global SIC (0.3 meters) up to 23 billion tonnes of carbon over the next 30 years, with India and China being the most affected. Our synthesis of present-day land-water carbon inventories and inland-water carbonate chemistry reveals that at least 1.13 ± 0.33 billion tonnes of inorganic carbon is lost to inland-waters through soils annually, resulting in large but overlooked impacts on atmospheric and hydrospheric carbon dynamics | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Song, Xiaodong |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Ying-Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Canadell, Josep G |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Yiqi |e verfasserin |4 aut | |
| 700 | 1 | |a Ciais, Philippe |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Anping |e verfasserin |4 aut | |
| 700 | 1 | |a Hong, Songbai |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yugang |e verfasserin |4 aut | |
| 700 | 1 | |a Tao, Feng |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Yiming |e verfasserin |4 aut | |
| 700 | 1 | |a Mirzaeitalarposhti, Reza |e verfasserin |4 aut | |
| 700 | 1 | |a Elbasiouny, Heba |e verfasserin |4 aut | |
| 700 | 1 | |a Savin, Igor |e verfasserin |4 aut | |
| 700 | 1 | |a Shchepashchenko, Dmitry |e verfasserin |4 aut | |
| 700 | 1 | |a Rossel, Raphael A Viscarra |e verfasserin |4 aut | |
| 700 | 1 | |a Goll, Daniel S |e verfasserin |4 aut | |
| 700 | 1 | |a Chang, Jinfeng |e verfasserin |4 aut | |
| 700 | 1 | |a Houlton, Benjamin Z |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Huayong |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Fei |e verfasserin |4 aut | |
| 700 | 1 | |a Feng, Xiaoming |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Yongzhe |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Niu, Shuli |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Gan-Lin |e verfasserin |4 aut | |
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